Galactus: Galactus is a fictional character appearing in American comic books published by Marvel Comics.
Dormammu: This is at 2nd position in our list.
Doctor Doom: Doctor Victor Von Doom, better known as Doctor Doom, is a fictional supervillain appearing in American comic books published by Marvel Comics.
Mephisto: This is at 4th position in our list.
Modok: This is at 5th position in our list.
Kang the Conqueror: Kang the Conqueror is a fictional supervillain appearing in American comic books published by Marvel Comics.
Green Goblin: The Green Goblin is the alias of several fictional supervillains appearing in American comic books published by Marvel Comics.
Kraven the Hunter: Kraven the Hunter is a fictional villain appearing in comic books published by Marvel comics, usually as an enemy of Spider-Man.
Dr. Otto Octavius: This is at 9th position in our list.